CONCEPT FOR A WORLDWIDE CIVIL MARITIME SATELLITE COMMUNICATION NETWORK (MARSAT). OPERATION SYSTEM STUDY
A concept for a worlwide maritime satellite communication network that can fulfill the requirement of long-term demand and still allow further expansion was worked out. At least three, maximally six, geostationary satellites having linear transponders will each make full use of the exclusive MARSAT frequency. Best suited modulation methods and optimization procedures are discussed for normal and reduced requirements. Each satellite, its shore terminals, and the ships within its coverage area combine their functions to a single explored automatic local exchange. It is interfaced to existing telephone and telex networks. Procedures for optimum use of satellite channels are described. Central signaling channels are proposed for all call data, coordination, and remote control of channel selection on ships. The need for special distress call channels is justified.
Standard Elektrik Lorenz AGHellmuth-Hirth-Strasse 42, Postfach 400749
D-7000 Stuttgart 70, Germany
- Bettinger, O
- Cohrs, H
- Conradt, J
- Lindig, K
- Mosch, R
- Publication Date: 1977-12
- Pagination: 216 p.
- TRT Terms: Artificial satellites; Communications satellites; Distress signals; Navigational satellites; Operations research; Satellite communication; Ships; Telecommunications; Transponders
- Old TRIS Terms: Distress communications; Satellite networks; Synchronous satellites
- Subject Areas: Marine Transportation; Operations and Traffic Management; Vehicles and Equipment;
- Accession Number: 00312630
- Record Type: Publication
- Source Agency: National Technical Information Service
- Report/Paper Numbers: BMFT-FB-W-77-13 Final Rpt.
- Contract Numbers: BMFT-WRT-1073, GFW-01-E-0724
- Files: TRIS
- Created Date: May 7 1980 12:00AM